中国组织工程研究 ›› 2023, Vol. 27 ›› Issue (3): 339-345.doi: 10.12307/2023.025

• 组织工程软骨材料 tissue-engineered cartilage • 上一篇    下一篇

动态培养环境下透明质酸与国产多孔钽复合对软骨细胞功能的影响

张  辉1,王佳洋2,王  茜3,4,甘洪全2,王志强2   

  1. 1唐山市第二医院关节一科,河北省唐山市  063000;2华北理工大学附属医院骨科,河北省唐山市  063000;3华北理工大学临床医学院,河北省唐山市  063000;4河北省医工融合精准医疗重点实验室,河北省唐山市  063000
  • 收稿日期:2021-09-22 接受日期:2022-01-13 出版日期:2023-01-28 发布日期:2022-05-19
  • 通讯作者: 王茜,博士,副教授,硕士生导师,华北理工大学临床医学院,河北省唐山市 063000;河北省医工融合精准医疗重点实验室,河北省唐山市 063000
  • 作者简介:张辉,男,1981年生,河北省唐山市人,汉族,博士,副主任医师,主要从事关节外科及骨组织工程研究。
  • 基金资助:
    国家科技部科技支撑课题资助项目(2012BAE06B03),项目负责人:王志强;河北省医学科学研究重点课题计划资助项目(20160225),项目负责人:王志强;河北省卫计委资助课题(20180733),项目负责人:王茜

Effects of hyaluronic acid combined with domestic porous tantalum on chondrocyte function under the dynamic environment

Zhang Hui1, Wang Jiayang2, Wang Qian3, 4, Gan Hongquan2, Wang Zhiqiang2   

  1. 1First Department of Joint Surgery, Second Hospital of Tangshan, Tangshan 063000, Hebei Province, China; 2Department of Orthopedics, Affiliated Hospital of North China University of Science and Technology, Tangshan 063000, Hebei Province, China; 3School of Clinical Medicine, North China University of Science and Technology, Tangshan 063000, Hebei Province, China; 4Hebei Key Laboratory of Medical Engineering Integration Precision Medicine, Tangshan 063000, Hebei Province, China
  • Received:2021-09-22 Accepted:2022-01-13 Online:2023-01-28 Published:2022-05-19
  • Contact: Wang Qian, MD, Associate professor, Master’s supervisor, School of Clinical Medicine, North China University of Science and Technology, Tangshan 063000, Hebei Province, China; Hebei Key Laboratory of Medical Engineering Integration Precision Medicine, Tangshan 063000, Hebei Province, China
  • About author:Zhang Hui, MD, Associate chief physician, First Department of Joint Surgery, Second Hospital of Tangshan, Tangshan 063000, Hebei Province, China
  • Supported by:
    Science and Technology Support Project Funded by the Ministry of Science and Technology, No. 2012BAE06B03 (to WZQ); Hebei Provincial Medical Science Research Key Project Funding Project, No. 20160225 (to WZQ); Hebei Provincial Health and Family Planning Commission Funded Project, No. 20180733 (to WQ)

摘要:

文题释义:
透明质酸:由D-葡萄糖醛酸和N-乙酰氨基葡萄糖二糖单元构成,是一种亲水性很强的内源性非硫酸化糖胺聚糖,参与细胞迁移、分化及增殖,作为天然高分子材料已在生物医学领域普遍应用。
国产多孔钽:是由华北理工大学与重庆润泽医疗器械有限公司及多家科研机构合作,完成了技术的创新突破,共同研发出的具有中国独立产权的多孔钽材料。国产多孔钽材料采用高温煅烧技术制备,具有立体的三维空间结构,孔径达400-600 μm,孔隙率达75%-85%,具备特有的相互连通的微孔结构和更良好的渗透性以及良好的力学性能及抗压强度(100-170 MPa),弹性模量在2.0-4.0 GPa,介于骨皮质和骨松质之间,完全符合软骨修复的力学强度。与传统的同种异体骨、不锈钢及金属钛等医用材料相比,国产多孔钽具有良好的生物相容性和成骨成软骨性能,已成为骨及软骨缺损修复的新型材料。

背景:支架材料与生物因子在不同条件下复合培养对软骨细胞功能的影响,是组织工程材料研究的热点。
目的:探讨动态环境下透明质酸与国产多孔钽复合对大鼠软骨细胞功能的影响。
方法:分离培养SD大鼠膝关节软骨细胞,分5组培养:A组单纯细胞静态培养;B组接种于国产钽片上静态培养;C组接种于国产钽片上,加入含透明质酸的培养基,静态培养;D组接种于国产钽片上,置于动态转瓶中(双向交替正反转,旋转角度为40°,40 r/h)培养;E组接种于国产钽片上,加入含透明质酸的培养基,置于动态转瓶中(双向交替正反转,旋转角度为40°,40 r/h)培养,5组均连续培养7 d。扫描电镜下观察材料上的细胞形态,采用ELISA法检测细胞蛋白聚糖、Ⅱ型胶原、SOX9的分泌情况,Western Blot实验检测细胞蛋白聚糖、Ⅱ型胶原、SOX9蛋白的表达。
结果与结论:①扫描电镜下可见,随着静态培养时间的延长,C组软骨细胞数量逐渐增多,并逐渐覆盖钽材料表面;②培养第5天,C组蛋白聚糖、Ⅱ型胶原分泌量均高于A、B组(P < 0.05),D组SOX9分泌量低于E组(P < 0.05),B组蛋白聚糖、Ⅱ型胶原分泌量低于D组(P < 0.05),C组蛋白聚糖、Ⅱ型胶原分泌量低于E组(P < 0.05);③培养第5天,C组Ⅱ型胶原蛋白表达量高于B组(P < 0.05),D组蛋白聚糖、Ⅱ型胶原蛋白表达量高于B组(P < 0.05),E组蛋白聚糖、Ⅱ型胶原蛋白表达量高于C组(P < 0.05);④结果表明,国产多孔钽与透明质酸复合后可促进软骨细胞蛋白聚糖、Ⅱ型胶原的分泌和蛋白表达,动态环境培养下蛋白聚糖、Ⅱ型胶原的分泌及蛋白表达优于静态环境培养,SOX9的分泌及蛋白表达不受动、静态培养环境影响。

https://orcid.org/0000-0001-8647-4300 (张辉) 

中国组织工程研究杂志出版内容重点:生物材料;骨生物材料口腔生物材料纳米材料缓释材料材料相容性组织工程

关键词: 国产多孔钽, 透明质酸, 动态环境, 软骨细胞, Ⅱ型胶原, 蛋白聚糖, SOX9

Abstract: BACKGROUND: The effect of composite culture of scaffold materials and biological factors on chondrocyte function in different conditions is a hot topic in the research of tissue-engineered materials.
OBJECTIVE: To investigate the effect of hyaluronic acid combined with domestic porous tantalum on the function of rat chondrocytes under the dynamic environment. 
METHODS: Knee chondrocytes of SD rats were extracted and cultured. Five groups of experiments were established as static culture group (group A), tantalum static group (group B), tantalum hyaluronic acid static group (group C), tantalum dynamic group (in the dynamic bottle rotation, two-way alternating forward and reverse rotation; the rotation angle is 40°, 40 r/h; group D), and tantalum hyaluronic acid dynamic group (in the dynamic bottle rotation, two-way alternating forward and reverse rotation; the rotation angle is 40°, 40 r/h; group E). The samples were continuously cultured for 7 days in the five groups. Cell morphology on materials was observed under a scanning electron microscope. The secretion of proteoglycan, type II collagen and SOX9 was detected by ELISA. The expression levels of proteoglycan, type II collagen and SOX9 protein were detected by western blot assay. 
RESULTS AND CONCLUSION: (1) Scanning electron microscope observation showed that with the prolongation of static culture time, the number of chondrocytes in group C gradually increased, and gradually covered the surface of tantalum material. (2) On the 5th day of culture, the secretion of proteoglycan and type II collagen in group C was higher than that in groups A and B (P < 0.05). The secretion of SOX9 in group D was lower than that in group E (P < 0.05). The secretion of proteoglycan and type II collagen in group B was lower than that in group D (P < 0.05). The secretion of proteoglycan and type II collagen in group C was lower than that in group E (P < 0.05). (3) On the 5th day of culture, the expression of type II collagen in group C was higher than that in group B (P < 0.05), and the expression of proteoglycan and type II collagen in group D was higher than that in group B (P < 0.05). The expression levels of proteoglycan and type II collagen in group E were higher than those in group C (P < 0.05). (4) These findings suggest that the combination of domestic porous tantalum and hyaluronic acid can promote the secretion and protein expression of proteoglycan and type II collagen in chondrocytes. Under dynamic environment culture, the secretion and protein expression of proteoglycan and type II collagen are better than in static culture. SOX9 secretion and protein expression are not affected by the dynamic and static culture environments.  

Key words: porous tantalum, hyaluronic acid, dynamic culture, chondrocytes, type II collagen, proteoglycan, SOX9

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